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Flex Verb  To Muscles Bend Move Flex  Noun

Title flex
Text
Merriam-Webster's Collegiate Dictionary
flex
I

 \\ˈfleks\\ verb
 ETYMOLOGY  Latin flexus, past participle of flectere to bend
 DATE  circa 1521
transitive verb
1. to bend especially repeatedly
2.
  a. to move muscles so as to cause flexion of (a joint)
  b. to move or tense (a muscle) by contraction
3. 
use
demonstrate
    flexing her skills as a singer
intransitive verb
: 
bend
 • • •
flex one's muscles

II
noun
 ETYMOLOGY  short for flexible cord
 DATE  1905
chiefly British : an electric cord

III
noun
 DATE  circa 1934
: an act or instance of flexing
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
flex
flex fleks / verb   to bend, move or stretch an arm or a leg, or contract a muscle, especially in order to prepare for a physical activity
   屈伸,活动(四肢或肌肉,尤指为准备体力活动):
   [VN] 
   to flex your fingers / feet / legs 
   活动手指/双脚/双腿 
   He stood on the side of the pool flexing his muscles. 
   他站在游泳池旁活动肌肉。 
   [also V] 
 IDIOMS 
 flex your 'muscles 
   to show sb how powerful you are, especially as a warning or threat
   显示实力,炫耀力量(尤指作为警告或威胁)noun   (BrE(also cord NAmEBrE[C, U] a piece of wire that is covered with plastic, used for carrying electricity to a piece of equipment
   花线;皮线:
   an electric flex 
   一根导电花线 
   a length of flex 
   一段花线 
Oxford Collocations Dictionary for Students of English
Oxford Collocations dictionary for students of English


flex 
noun 
ADJ. long | trailing Long trailing flexes are a serious trip hazard. | electric/electical | kettle, telephone, etc. 

QUANT. length 

VERB + FLEX cut Side cutters are useful for cutting electrical flex to length. 

OLT
flex noun
 wire
Webster's Third New International Dictionary, Unabridged
Search result show the entry is found in: flex one's muscles , or 
flex-crack
 , or flex life

flex
I. \ˈfleks\ verb
(-ed/-ing/-es)
Etymology: Latin flexus, past participle of flectere to bend
transitive verb
1. : to bend especially repeatedly so as to form folds in
 < sat flexing the strap as he talked >
2. 
 a. : to move muscles so as to cause flexion of (a joint)
  < stretching and flexing his knees >
  — compare 
extend
 b. : to move (a muscle or muscles) so as to flex a joint
  flexed their biceps and went to work >
intransitive verb
: to bend especially so as to form a fold or to clasp
 < the old man's hands flexed on the head of his cane >
 < such a spring must flex repeatedly without weakening or deforming permanently >
II. noun
(-es)
1. : an act or instance of flexing
 < gave his muscles a flex and heaved on the bar >
2. [short for flexible (II) ] chiefly Britain : electric cord
III. verb
flex one's muscles

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